ABB CIRCUIT SHIELD 437W Series User Manual

Reverse
Power
Relay
IB
7.8
.
1.7
-
1
Page
5
Catalog
Series
437
W
/
437
G
:
Relays
of
this
series
are
"
true
"
directional
power
relays
in
that
they
measure
according
to
the
formula
:
power
P
V
*
I
*
cos
0
These
relays
may
be
used
for
the
anti
-
motoring
protection
of
generators
,
preferred
in
cases
where
significant
third
-
harmonic
current
may
be
present
,
relay
may
be
used
in
any
application
where
an
action
must
be
taken
at
a
set
power
level
;
for
example
,
on
a
tie
between
2
systems
where
power
flow
is
to
be
restricted
to
,
or
an
alarm
sounded
at
,
a
certain
level
in
one
direction
.
and
are
The
An
internal
link
is
provided
which
allows
the
relay
to
be
set
up
for
a
maximum
torque
angle
of
either
:
I
lag
V
by
0
degrees
;
or
,
I
lag
V
by
30
degrees
.
30
degree
position
,
the
1
ine
-
to
-
1
ine
input
voltage
is
internally
adjusted
by
a
1
/
s
/
J
factor
to
maintain
the
correct
scaling
for
single
-
phase
watts
.
When
set
in
the
Typical
connections
for
reverse
power
detection
are
shown
in
Figure
3
.
series
relays
may
be
reconnected
to
provide
reverse
VAR
detection
,
as
shown
in
Fig
4
.
437
W
/
437
G
437
W
/
437
G
series
relays
include
an
internal
link
to
select
timer
operation
to
have
a
definite
-
time
characteristic
,
or
to
have
an
inverse
timing
characteristic
.
The
definite
delay
is
adjustable
1
-
30
seconds
.
The
inverse
characteristic
is
shown
in
Figure
6
.
16
D
237
C
32
R
Std
.
Case
6.38
AB
Al
oE
o
5
O
4
03
T
T
l
212.8
1.22
6.53
6.68
31
165.9
C
t
174.8
0.63
PANEL
16
Jol
$
IH
$
13
$
12
On
X
4.88
J
OIG
Ois
124
q
T
2.44
Catalog
Series
237
P
/
237
F
62
H
x
SIOE
VIEW
FRONT
VIEW
(
4
)
OlA
.
HOLES
4
e
7
n
&
f
]
5
n
4
n
3
fi
£
fi
0
0
0
0
0
0
i
16
D
437
A
32
R
Test
Case
0
0
2.06
52.3
PANEL
CUTOUT
®
[
0
H
0
II
0
I
G
U
16
U
15
U
14
U
0
0
0
0
0
3.68
13
M
2
UU
10
9
93.5
£
1
OB
OS
OH
03
02
ol
i
LSi
2
_
06
*
6
,
-
7
52.3
DRAWOUT
TEST
CASE
STUD
NUMBERS
(
BACK
VIEW
)
G
J
7
°
4
i
3.19
3.19
PQL
.
m
6
IH
613
612
on
6
ID
4
q
31
81
3.31
NOTE
:
DIMENSIONS
ARE
SHOWN
AS
84
1
6.62
OlG
O
15
168.1
Figure
1
:
Relay
Outline
and
Panel
Drilling
Catalog
Series
437
P
/
437
F
JL
6
D
437
B
32
R
Test
Case
16
D
437
C
32
R
Test
Case
+
OB
o
5
O
4
03
T
T
(
SB
Al
oB
o
5
O
4
03
T
T
O
1
c
c
r
°
r
-
H
-
i
i
-
H
-
:
JT
°
jpi
ri
4
m
on
4
i
2
on
4
io
6
q
ri
o
oi
4
613
612
on
6
io
Oq
L
is
OlG
Ois
EXTERNAL
RESISTOR
SUPPLIED
WITH
RELAY
.
CONTACT
IS
-
1
H
CONVERTIBLE
.
CONTACT
li
-
lH
CONVERTIBLE
.
Catalog
Series
437
W
/
437
G
Catalog
Series
437
W
/
437
G
Figure
2
:
Internal
Connection
Diagrams
Courtesy of NationalSwitchgear.com

ABB CIRCUIT SHIELD 437W Series Specifications

General

Brand	ABB
Model	CIRCUIT SHIELD 437W Series
Category	Relays
Language	English